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L773:0960 314X OR L773:1473 561X
 

Search: L773:0960 314X OR L773:1473 561X > Polymorphisms of NA...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003097naa a2200337 4500
001oai:DiVA.org:uu-54712
003SwePub
008080118s2000 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-547122 URI
040 a (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Wadelius, Miau Uppsala universitet,Klinisk farmakogenomik och osteoporos4 aut0 (Swepub:uu)miawadel
2451 0a Polymorphisms of NAT2 in relation to sulphasalazine-induced agranulocytosis
264 1c 2000
338 a print2 rdacarrier
520 a Agranulocytosis is a rare, but serious adverse reaction to sulphasalazine. The polymorphic enzyme N-acetyltransferase 2 (NAT2) plays an important role in the metabolism of sulphasalazine. This study was conducted to analyse whether the risk of sulphasalazine-induced agranulocytosis is increased in slow acetylators. Patients were treated for inflammatory disease, mostly joint disease, with a mean dose of 2 g sulphasalazine daily. Thirty-nine patients reacted with agranulocytosis, while 75 patients had been treated for a minimum of 3 months without haematological side-effects. A population-based control panel of 448 individuals was used for comparison. All subjects were genotyped for NAT2 by polymerase chain reaction followed by restriction enzyme digestion. The six most common allelic variants were analysed: NAT2*4, NAT2*5A, NAT2*5B, NAT2*5C, NAT2*6 and NAT2*7. The proportion of slow acetylators was significantly higher in patients with sulphasalazine-induced agranulocytosis (69%) and population-based controls (64%) compared to patients who tolerated sulphasalazine (45%); odds ratio 2.71 [95% confidence interval (CI) 1.20; 6.15], P = 0.015, and odds ratio 2.17 (95% CI 1.32; 3.56), P = 0.002, respectively. Patients who developed agranulocytosis did not differ from population-based control subjects in the frequency of slow acetylators; odds ratio 1.25 (95% CI 0.62; 2.53), P = 0.535. The risk of agranulocytosis did not appear to be increased in slow acetylators, provided that the difference compared with sulphasalazine-treated control subjects was not due to a predominance of fast acetylators among patients with inflammatory joint disease. Instead, selection bias was suspected since more slow acetylators may have discontinued sulphasalazine therapy because of drug-intolerance.
653 a sulfasalazine
653 a agranulocytosis
653 a NAT2
653 a pharmacogenetics
653 a MEDICINE
653 a MEDICIN
700a Stjernberg, Elisabethu Uppsala universitet,Klinisk farmakologi4 aut
700a Wiholm, Bengt-Erik4 aut
700a Rane, Andersu Uppsala universitet,Institutionen för medicinska vetenskaper,Klinisk farmakologi, A Rane4 aut
710a Uppsala universitetb Klinisk farmakogenomik och osteoporos4 org
773t Pharmacogeneticsg 10:1, s. 35-41q 10:1<35-41x 0960-314Xx 1473-561X
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-54712

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